EP1007464B1 - Vehicule de manutention de materiel a poste de conduite agrandi - Google Patents

Vehicule de manutention de materiel a poste de conduite agrandi Download PDF

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Publication number
EP1007464B1
EP1007464B1 EP98944536A EP98944536A EP1007464B1 EP 1007464 B1 EP1007464 B1 EP 1007464B1 EP 98944536 A EP98944536 A EP 98944536A EP 98944536 A EP98944536 A EP 98944536A EP 1007464 B1 EP1007464 B1 EP 1007464B1
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EP
European Patent Office
Prior art keywords
compartment
motor
operator
vehicle
materials handling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP98944536A
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German (de)
English (en)
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EP1007464B2 (fr
EP1007464A1 (fr
Inventor
Robert J. Henshaw
Randall D. Plaugher
Patrick A. Tebbe
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Crown Equipment Corp
Original Assignee
Crown Equipment Corp
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Publication date
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B66F9/0759—Details of operating station, e.g. seats, levers, operator platforms, cabin suspension
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B66F9/07545—Overhead guards
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2002/247—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles to support passengers in a half-standing position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/10—Road Vehicles
    • B60Y2200/15—Fork lift trucks, Industrial trucks
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S414/00—Material or article handling
    • Y10S414/127—Handling vehicles with overhead guard for operator

Definitions

  • the present invention relates in general to materials handling vehicles and, more particularly, to an expanded operator's compartment for such vehicles which facilitates operation of the vehicles, particularly in a seated position. While the present invention is generally applicable to materials handling vehicles, it is described herein with reference to a fork lift truck, specifically a rider reach truck, for which it is particularly applicable and initially being used.
  • fork lift trucks such as a rider reach truck
  • width of the truck which is limited, to a great extent, by the width of existing aisles in warehouses.
  • fork lift trucks are preferably no wider than approximately 48 inches (122 cm) in order to provide ample room for turning the trucks, and in some cases, for two trucks to pass one another in an aisle.
  • the operator's compartment must be made wide enough to permit the operator to sit comfortably within the compartment.
  • a battery operated fork-Lift trock having a frame structure comprising a plurality of independent compartments is known from US-A-4 090 578.
  • the total width of the truck is the sum of the motor compartment and the operator's compartment, it follows that the operator's compartment cannot be expanded without encroaching on the space occupied by the motor compartment, and particularly the space occupied by the traction motor of the truck. Accordingly, there is a need for an expanded operator's compartment for a fork lift truck, such as a rider reach truck, which comfortably accommodates a seated operator yet is compatible with the motor compartment of the truck.
  • a battery compartment and hydraulic system of the truck would be positioned such that they do not encroach on such an expanded operator's compartment.
  • the motor compartment of a fork lift truck is modified so that the operator's feet extend into the space normally required by the motor compartment.
  • This is accomplished by installing a motor support structure between the traction motor and the gear box which is connected to the steerable, powered wheel.
  • the motor support structure occupies a smaller space than the traction motor itself, thus increasing the space available to the operator's compartment, at least in a limited vertical location adjacent to the support.
  • With the traction motor out of the way sufficient space for elevated pedals is provided, thus providing the operator ample space to operate the truck while seated.
  • an object of the present invention to provide a materials handling vehicle which has an expanded operator's compart such that the operator may sit comfortably in addition to perching or standing while operating the vehicle.
  • FIGs. 1-3 show a rider reach truck 10 that includes a power unit 15 including an operator's compartment 70, a battery compartment 20, and a motor compartment 400.
  • a battery in the battery compartment 20 (Fig. 10) supplies power to a traction motor 410 (Figs. 4-9) located in a motor compartment 400 and connected to a steerable wheel 25 located at the left rear corner of the power unit 15 and to hydraulic motors, for example the motor of a motor-pump assembly (Fig. 10), which supply power to several different systems within the truck 10.
  • a caster wheel 30 is mounted at the right rear corner of the power unit 15.
  • a pair of outriggers 35 support the front end of the truck 10.
  • a mast assembly 40 mounted to the front of the truck 10 includes an overhead guard 45.
  • a pair of forks 50 are carried on a fork carriage mechanism 55 which is carried on extendable mast elements 60.
  • the fork carriage mechanism 55 may include a reach mechanism to allow the forks 50 to be extended forward of the mast assembly 40, a side shift mechanism to permit the forks 50 to be moved from side to side relative to the mast assembly 40, and a tilt mechanism to permit the forks 50 to be tilted relative to horizontal.
  • a steering tiller 75 for controlling the direction of travel of the truck and a control handle 80 for controlling the speed of travel and the forward and reverse direction of the truck 10 as well as fork height, fork extension, and fork tilt and side-shift.
  • the seat assembly 90 is also located within the operator's compartment 70 .
  • the seat assembly 90 includes a back rest 95, a seat 100, and a perch or shelf 105.
  • the seat assembly is vertically adjustable for operator comfort.
  • An armrest 110 is also supported on the seat assembly 90 for movement therewith.
  • the control handle 80 is mounted on an arm 115 extending from the armrest 110.
  • pedals 120 and 125 On the floor of the operator's compartment 70 are two pedals 120 and 125.
  • the left-hand pedal 120 operates an electric switch to control braking of the truck while the right-hand pedal 125 operates a power switch indicating the presence of the operator's foot thereon.
  • a pedal 130 corresponding to pedal 120; a pedal 135, corresponding to pedal 125; and a pedal 140, which is an additional brake pedal.
  • the operator must have one foot on and depress the pedal 120 or 130 in order for the vehicle to move; otherwise, the vehicle's brakes will be fully applied.
  • pedal 125 or 135 The switches controlled by pedals 125 and 135 are known as "presence", “cut back” or “power” switches and indicate the presence of an operator within the operator's compartment 70.
  • the pedal 140 is an axillary brake switch; anytime the operator depresses pedal 140, the brakes of the truck 10 will be immediately applied.
  • An operator's console 150 provides the operator with information regarding the status of the battery voltage and may provide additional information regarding the fork height, the weight of the load on the forks, and other information to assist the operator of the truck 10.
  • Figs. 4, 5, and 6 illustrate the various positions an operator 200 can assume during operation of the truck 10.
  • Fig. 4 illustrates the stand mode of operation
  • Fig. 5 illustrates the perch mode of operation
  • Fig. 6 illustrates the sit mode of operation.
  • the operator 200 is shown standing, the seat 100 is lowered, the shelf 105 is raised.
  • the operator 200 is essentially presented with a contoured, cradling surface to support the back side of the operator's body providing a fifth point of stability for the operator in addition to the hand and feet controls.
  • the operator's feet are generally placed on the floor pedals 120 and 125, as shown.
  • the shelf 105 is lowered to the position shown. This allows the operator 200 to lean back with his/her buttocks resting on or against the shelf partially to support the weight of the body. In this mode of operation, the feet are normally moved slightly forward, therefore the operator's heels are usually placed on the floor mounted pedals 120 and 125.
  • the seat assembly 90 is adjustable vertically in order to place the seat assembly 90 at the vertical height that will ensure an appropriate and consistent eye level relative to the truck and the floor for each operator of the truck whether the operator is standing, perching or sitting.
  • the dashed horizontal lines 204 and 206 in Figs. 4-6 show the limited extent of vertical movement of the operator's eyes, provided the seat assembly 90 is properly adjusted.
  • the operator 200 shown in Figs. 4 and 5 may rest one foot on the floor mounted pedals 120, 125, and the other foot on the elevated pedals 130, 135, and thus continue to operate the vehicle while changing position from time to time for variety and comfort. Additional details regarding the seat assembly may be obtained from referenced U.S. Provisional Patent Applications number 60/057,375 filed August 28, 1997 and entitled THREE POSITION SEAT ASSEMBLY FOR LIFT TRUCK; and, number 60/058,101 filed September 5, 1997 and entitled THREE POSITION SEAT ASSEMBLY FOR LIFT TRUCK.
  • the motor compartment 400 includes a steering motor 420, a motor support or support structure 430 and the traction motor 410 on which is mounted a brake 415.
  • the steering motor 420 has been removed in Fig. 8 in order to better show the support structure 430.
  • the traction motor 410 is mounted directly on a gear box 440 which is rotated by the steering motor 420 to control the direction of travel of the truck.
  • the traction motor 410 is relatively large in diameter in order to deliver the power necessary to move a loaded truck, therefore the space available for expansion of the operator's compartment is limited.
  • the operator's compartment must be made wide enough to permit the operator's feet to be placed on elevated auxiliary pedals when the operator is seated so that the operator's eyes can be maintained at substantially the same level as when the operator is standing or perching.
  • the total width W of the truck is the sum of the motor compartment and the operator's compartment, it follows that the operator's compartment cannot be expanded without infringing on the space occupied by the motor compartment, and particularly the space occupied by the traction motor.
  • the operator's feet extend into the space occupied by the motor compartment 70. This is enabled in the present invention by installing a motor support structure 430, which occupies a smaller space than the motor itself.
  • the motor support structure 430 is square in cross section and is sufficiently strong to support the motor and the torque imposed on it when the motor is either supplying power to the wheel 25, or braking the truck 10.
  • a corner of the motor support structure 430 is directed toward the operator's compartment 70 to expand the space available for extension of the operator's compartment 70 into the motor compartment 400.
  • other geometric cross sections or cross sections having at least one extension which narrows to a terminal end can be used for the motor support.
  • the terminal end of the extension is directed toward the operator's compartment.
  • a shaft 435 connects the motor 410 to the gear box 440.
  • the knee wall 450 of the operator's compartment is recessed into the motor compartment 70 at a recessed knee wall section 460.
  • the outline of the motor 410 is shown in Fig. 9, as is the cross-section of the motor support structure 430.
  • the recessed knee wall section 460 is shown extending into the motor compartment 70 to approximately the center line of the motor 410 at the center of the pedals 130, 135.
  • Fig. 10 shows the location of the hydraulic system of the truck 10. Included in the hydraulic system are a motor-pump assembly 500, a hydraulic reservoir 505, a manifold 510 and hydraulic lines 515.
  • the hydraulic system is placed on the right side of the truck adjacent to the battery compartment 20 and under the armrest 110. This location provides several advantages, removing pump and motor heat and noise from the operator, improved service access, and the addition of a gusset for the battery compartment 20. Also, as is apparent from the drawings, this positioning of the battery compartment and the hydraulic system, i.e., adjacent to one another across the width of the truck and ahead of the operator's compartment and the motor compartment, ensures that there is no encroachment into the operator's compartment which might otherwise interfere with its expansion.

Claims (16)

  1. Véhicule de manutention (10) ayant une unité de commande (15) et comprenant :
    un compartiment de l'opérateur (70) ;
    un compartiment moteur (400), ledit compartiment de l'opérateur et ledit compartiment moteur étant positionnés de manière adjacente l'un à l'autre sur une largeur (L) dudit véhicule ; et caractérisé en ce qu'il comprend
    une extension (460) dans ledit compartiment moteur pour élargir ledit compartiment de l'opérateur de sorte que les pieds de l'opérateur puissent occuper un espace normalement requis par ledit compartiment moteur.
  2. Véhicule de manutention (10) tel que défini dans la revendication 1 dans lequel ledit compartiment moteur (400) et ledit compartiment de l'opérateur (70) sont positionnés à l'arrière dudit véhicule qui comprend également :
    un bac à batterie (20) ; et
    un système hydraulique (500, 505, 510, 515), ledit bac à batterie et ledit système hydraulique étant positionnés de manière adjacente l'un à l'autre sur ladite largeur (L) dudit véhicule et complètement devant ledit compartiment de l'opérateur et ledit compartiment moteur, ledit bac à batterie et ledit système hydraulique étant ainsi positionnés de sorte d'être séparés dudit compartiment de l'opérateur.
  3. Véhicule de manutention (10) tel que défini dans la revendication 1 dans lequel ladite extension (460) dans ledit compartiment moteur (400) procure de l'espace pour des pédales surélevées (130, 135, 140) pour contrôler ledit véhicule.
  4. Véhicule de manutention (10) tel que défini dans la revendication 1 comprenant également :
    une boíte à engrenage (440) montée dans ledit compartiment moteur (400) ;
    un moteur de traction (410) monté dans ledit compartiment moteur, et
    un support moteur (430) monté dans ledit compartiment moteur et étant interposé entre ladite boíte à engrenage et ledit moteur de traction, ledit support moteur ayant une section transversale inférieure au dit moteur de traction pour procurer ainsi de l'espace dans ledit compartiment moteur pour ladite extension (460) dudit compartiment de l'opérateur (70) dans ledit compartiment moteur.
  5. Véhicule de manutention (10) tel que défini dans la revendication 4 comprenant également un arbre (435) monté dans ledit support moteur (430) pour accoupler ledit moteur de traction (410) à ladite boíte à engrenage (440).
  6. Véhicule de manutention (10) tel que défini dans la revendication 4 dans lequel ladite extension (460) dudit compartiment de l'opérateur (70) dans ledit compartiment moteur (400) comprend deux extensions adjacentes et sur les côtés opposés au dit support moteur (430) pour procurer de l'espace dans ledit compartiment moteur pour les pédales surélevées (130, 135, 140) pour contrôler ledit véhicule.
  7. Véhicule de manutention (10) tel que défini dans la revendication 6 dans lequel ladite section transversale dudit support moteur (430) est carrée et ledit support moteur est positionné dans ledit compartiment moteur (400) de sorte qu'un coin dudit support moteur soit dirigé vers ledit compartiment de l'opérateur (70).
  8. Véhicule de manutention (10) tel que défini dans la revendication 6 dans lequel ladite section transversale dudit support moteur (430) comprend au moins une extension qui se resserre à une extrémité de ladite extension, ledit support moteur étant positionné dans ledit compartiment moteur (400) de sorte que ladite extrémité de ladite extension soit dirigée vers ledit compartiment de l'opérateur (70).
  9. Véhicule de manutention (10) tel que défini dans la revendication 6 dans lequel ladite section transversale dudit support moteur (430) comprend au moins un coin, lequel coin dudit support moteur étant dirigé vers ledit compartiment de l'opérateur (70).
  10. Véhicule de manutention (10) ayant une unité de commande (15) et comprenant :
    un compartiment de l'opérateur (70) ;
    un compartiment moteur (400), ledit compartiment de l'opérateur et ledit compartiment moteur étant positionnés de manière adjacente l'un à l'autre sur une largeur (L) dudit véhicule et à l'arrière dudit véhicule ;
    un bac à batterie (20) ; et
    un système hydraulique (500, 505, 510, 515),
    caractérisé par ledit bac à batterie et ledit système hydraulique étant positionnés de manière adjacente l'un à l'autre sur ladite largeur dudit véhicule et complètement devant ledit compartiment de l'opérateur et ledit compartiment moteur, ledit bac à batterie et ledit système hydraulique étant ainsi positionnés de sorte d'être séparés dudit compartiment de l'opérateur.
  11. Procédé de fabrication d'un véhicule de manutention (10) comprenant un compartiment de l'opérateur (70), un compartiment moteur (400) et une boíte à engrenage (440) montée sous ledit compartiment moteur, ledit compartiment de l'opérateur et ledit compartiment moteur étant positionnés de manière adjacente l'un à l'autre sur une largeur (L) dudit véhicule, ledit procédé comprenant les étapes de :
    fourniture d'un support moteur (430) ;
    montage dudit support moteur dans ledit compartiment moteur (400) de manière adjacente à ladite boíte à engrenage (440) ;
    montage d'un moteur de traction (410) dans ledit compartiment moteur sur ledit support moteur ; et
    accouplement dudit moteur de traction (410) à ladite boíte à engrenage (440) par l'intermédiaire dudit support moteur (430) qui a une section transversale inférieure à une section transversale dudit moteur de traction pour ainsi procurer de l'espace dans ledit compartiment moteur pour une extension (460) dudit compartiment de l'opérateur dans ledit compartiment moteur adjacent au dit support moteur.
  12. Procédé de fabrication d'un véhicule de manutention (10) tel que défini dans la revendication 11 dans lequel ledit support moteur (430) a une section transversale carrée et ledit procédé comprend également l'étape de positionnement dudit support moteur dans ledit compartiment moteur (400) de sorte qu'un coin dudit support moteur soit dirigé vers ledit compartiment de l'opérateur (70).
  13. Procédé de fabrication d'un véhicule de manutention (10) tel que défini dans la revendication 11 dans lequel ledit support moteur (430) a une section transversale comprenant au moins un coin et ledit procédé comprend également l'étape de positionnement dudit support moteur dans ledit compartiment moteur (400) de sorte qu'au moins un coin dudit support moteur soit dirigé vers ledit compartiment de l'opérateur (70).
  14. Procédé de fabrication d'un véhicule de manutention (10) tel que défini dans la revendication 11 dans lequel ledit support moteur (430) a une section transversale comprenant au moins une extension qui se resserre à une extrémité de ladite extension et ledit procédé comprend également l'étape de positionnement dudit support moteur dans ledit compartiment moteur (400) de sorte qu'au moins une extension dudit support moteur soit dirigée vers ledit compartiment de l'opérateur.
  15. Procédé de fabrication d'un véhicule de manutention (10) tel que défini dans la revendication 11 dans lequel ledit véhicule comprend également un bac à batterie (20) et un système hydraulique (500, 505, 510, 515), ledit procédé comprenant également l'étape de positionnement dudit bac à batterie et dudit système hydraulique de manière adjacente l'un à l'autre sur une largeur (L) dudit véhicule et complètement devant ledit compartiment de l'opérateur (70) et ledit compartiment moteur (400), ledit bac à batterie et ledit système hydraulique étant ainsi positionnés de sorte d'être séparés dudit compartiment de l'opérateur.
  16. Procédé de fabrication d'un véhicule de manutention (10) comprenant un compartiment de l'opérateur (70), un compartiment moteur (400), un bac à batterie (20) et un système hydraulique (500, 505, 510, 515), ledit procédé comprenant les étapes de :
    positionnement dudit compartiment de l'opérateur (70) et dudit compartiment moteur (400) de manière adjacente l'un à l'autre sur une largeur (L) dudit véhicule, et
    positionnement dudit bac à batterie (20) et dudit système hydraulique (500, 505, 510, 515) de manière adjacente l'un à l'autre sur ladite largeur dudit véhicule et complètement devant ledit compartiment de l'opérateur et ledit compartiment moteur, ledit bac à batterie et ledit système hydraulique étant ainsi positionnés de sorte d'être séparés dudit compartiment de l'opérateur.
EP98944536A 1997-08-28 1998-08-26 Vehicule de manutention de materiel a poste de conduite agrandi Expired - Lifetime EP1007464B2 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US5713797P 1997-08-28 1997-08-28
US57137P 1997-08-28
US5810297P 1997-09-05 1997-09-05
US58102P 1997-09-05
PCT/US1998/017687 WO1999010270A1 (fr) 1997-08-28 1998-08-26 Vehicule de manutention de materiel a poste de conduite agrandi

Publications (3)

Publication Number Publication Date
EP1007464A1 EP1007464A1 (fr) 2000-06-14
EP1007464B1 true EP1007464B1 (fr) 2003-04-23
EP1007464B2 EP1007464B2 (fr) 2008-05-21

Family

ID=26736115

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EP98944536A Expired - Lifetime EP1007464B2 (fr) 1997-08-28 1998-08-26 Vehicule de manutention de materiel a poste de conduite agrandi

Country Status (9)

Country Link
US (1) US6182778B1 (fr)
EP (1) EP1007464B2 (fr)
KR (1) KR100505524B1 (fr)
AT (1) ATE238227T1 (fr)
AU (1) AU745746B2 (fr)
CA (1) CA2302051C (fr)
DE (1) DE69813834T3 (fr)
NZ (1) NZ502596A (fr)
WO (1) WO1999010270A1 (fr)

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Also Published As

Publication number Publication date
DE69813834T3 (de) 2008-11-27
NZ502596A (en) 2002-07-26
AU9205798A (en) 1999-03-16
US6182778B1 (en) 2001-02-06
CA2302051C (fr) 2006-10-24
EP1007464B2 (fr) 2008-05-21
AU745746B2 (en) 2002-03-28
EP1007464A1 (fr) 2000-06-14
CA2302051A1 (fr) 1999-03-04
DE69813834D1 (de) 2003-05-28
KR20010023291A (ko) 2001-03-26
DE69813834T2 (de) 2004-01-22
WO1999010270A1 (fr) 1999-03-04
KR100505524B1 (ko) 2005-08-04
ATE238227T1 (de) 2003-05-15

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